Lockable support for a tablet computing device



FIG. 1 is a perspective view of the lockable support for a tablet computing device, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a right side view thereof. 

CLAIM I claim the ornamental design for a lockable support for a tablet computing device, as shown and described. 